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Cheap flights from Phoenix Sky Harbor Intl Airport to Denver from £52

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
11 Aug — 18 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sky Harbor Intl to Denver

Enter your travel dates to find the best prices.

Cheapest flights from Sky Harbor Intl to Denver
Explore the most affordable flight options available from Sky Harbor Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2026.

Tue 25/814:15
PHX
-
DEN
Nonstop1h 55m
Frontier
Tue 1/923:59
DEN
-
PHX
1 stop12h 15m
Frontier
Deal found 11/7£103
Thu 6/818:59
PHX
-
DEN
Nonstop1h 55m
United Airlines
Thu 13/821:10
DEN
-
PHX
Nonstop1h 59m
United Airlines
Deal found 9/7£116
Wed 12/816:00
PHX
-
DEN
Nonstop1h 45m
Southwest
Mon 17/809:10
DEN
-
PHX
Nonstop1h 55m
Southwest
Deal found 8/7£116
Wed 2/916:00
PHX
-
DEN
Nonstop1h 45m
Southwest
Tue 8/906:15
DEN
-
PHX
Nonstop1h 55m
Southwest
Deal found 7/7£117
Thu 6/818:50
PHX
-
DEN
Nonstop1h 52m
American Airlines
Mon 10/815:59
DEN
-
PHX
Nonstop2h 02m
American Airlines
Deal found 7/7£118
Thu 6/805:45
PHX
-
DEN
Nonstop1h 45m
Southwest
Thu 13/810:15
DEN
-
PHX
1 stop3h 30m
Southwest
Deal found 9/7£120
Sat 8/812:25
PHX
-
DEN
Nonstop1h 45m
Southwest
Tue 11/814:10
DEN
-
PHX
1 stop3h 45m
Southwest
Deal found 7/7£122
Sat 10/1015:00
PHX
-
DEN
Nonstop1h 45m
Southwest
Mon 12/1019:55
DEN
-
PHX
1 stop4h 30m
Southwest
Deal found 9/7£123
Tue 25/813:00
PHX
-
DEN
1 stop3h 10m
Southwest
Thu 27/810:15
DEN
-
PHX
1 stop3h 30m
Southwest
Deal found 10/7£124
Sat 15/811:50
PHX
-
DEN
1 stop3h 25m
Southwest
Tue 18/814:40
DEN
-
PHX
1 stop3h 15m
Southwest
Deal found 9/7£125
Wed 2/912:45
PHX
-
DEN
1 stop3h 20m
Southwest
Sat 5/912:00
DEN
-
PHX
1 stop3h 50m
Southwest
Deal found 8/7£125

Find flight deals from Sky Harbor Intl to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 July 2026.

Round-trip from

£103

One-way from

£52

Popular in

June

Cheapest in

February

Average price

£155

Good round-trip deal

£258 or less

Good one-way deal

£329 or less
Frontier
  • Frontier
  • 25/8-1/9
  • 1 total stop
  • 14h 10m total
  • Phoenix to Denver
Search Deals
Frontier
  • Frontier
  • 10/9
  • 1 total stop
  • 5h 23m total
  • Phoenix to Denver
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Denver Intl.
Search Deals
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sky Harbor Intl to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 July 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 4/8

17:10-22:55

1 stop4h 45m

Denver Intl

Tue 11/8

12:54-16:04

1 stop4h 10m

£132

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 6/8

17:10-22:55

1 stop4h 45m

Denver Intl

Wed 12/8

05:35-08:44

1 stop4h 09m

£132
Fastest return journey

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 6/8

12:05-16:45

1 stop3h 40m

Denver Intl

Mon 10/8

20:40-21:35

Nonstop1h 55m

£147

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 18/8

13:20-20:01

1 stop5h 41m

Denver Intl

Fri 21/8

18:28-00:12

1 stop6h 44m

£147

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 4/8

15:13-23:30

1 stop7h 17m

Denver Intl

Tue 11/8

19:59-23:33

1 stop4h 34m

£154

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 25/8

15:15-21:13

1 stop4h 58m

Denver Intl

Tue 1/9

06:17-11:31

1 stop6h 14m

£154

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 27/8

20:50-23:35

Nonstop1h 45m

Denver Intl

Sun 30/8

08:30-14:20

2 stops6h 50m

£175

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Thu 15/10

13:45-18:45

1 stop4h 00m

Denver Intl

Sun 18/10

08:35-10:50

1 stop3h 15m

£189

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 2/1

18:20-22:33

1 stop4h 13m

Denver Intl

Wed 6/1

12:45-19:26

1 stop6h 41m

£195

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 23/12

11:05-15:09

1 stop4h 04m

Denver Intl

Sun 27/12

05:35-11:29

1 stop5h 54m

£213

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Sky Harbor Intl to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Sky Harbor Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Denver

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Denver?

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Denver, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Denver?

Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of £112). Flying from Phoenix Sky Harbor Intl Airport to Denver in June is currently the most expensive (average of £178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to DEN?

Find hourly flight availability from Sky Harbor Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 July 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 71% on flights from Phoenix Sky Harbor Intl Airport to Denver by exploring options for tickets in the morning.

How much does it cost for a return flight from Phoenix Sky Harbor Intl Airport to Denver?

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Phoenix Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to Denver, you will be flying into Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 30 inbound flights from Phoenix Sky Harbor Intl per day. 0 airlines have flights to Denver Intl from Phoenix Sky Harbor Intl on a regular basis.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Denver?

    There are many flights that can get you from Phoenix Sky Harbor Intl Airport to Denver in 4h 45m. Fly via Delta to get the fastest option. The distance between Phoenix Sky Harbor Intl Airport and Denver is about 601 mi.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Denver?

    Consider Lufthansa (88%), United Airlines (87%) or Air Canada (84%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Denver.

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Denver?

    While on average a flight from Phoenix Sky Harbor Intl Airport to Denver is generally £304, our data shows the cheapest flight currently is £258. When looking at the most popular route, (Phoenix Sky Harbor Intl - Denver Intl), you can expect to pay £139 for that flight.

  • Can I find deals for flights from Sky Harbor Intl to Denver that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Denver flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Denver.

  • Can I find deals for business class flights from Sky Harbor Intl to Denver?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Denver?

    Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of £112). Flying from Phoenix Sky Harbor Intl Airport to Denver in June is currently the most expensive (average of £178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Why should you use Cheapflights to find cheap flight tickets from Sky Harbor Intl to Denver?

Millions of users choose and trust Cheapflights to book the best flight deals from Sky Harbor Intl to Denver for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Sky Harbor Intl to Denver with no change fees?

Yes, we can. To see specific flights from Sky Harbor Intl to Denver with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Sky Harbor Intl to Denver become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Denver from Sky Harbor Intl today and book when prices fit your budget.

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